I have a filing system for all my bills and other important document. It is labeled and alphabetized, but it still take me some time to find what I’m actually looking for because all the letters look the same. Today, I stumbled upon this:Source

Using logos as the label will definitely make your files easier to find and another plus side is you don’t have to print a custom made label, you can just cut a little part of your bills.
Thank you Aaron for sharing this tip!